Standard Specification for
Structural Steel for Bridges
ASTM Designation: A 709/A 709M-07
SCOPE
This specification covers carbon and high-strength low-alloy steel structural shapes, plates, and bars and quenched-and-tempered alloy steel for structural plates intended for use in bridges.
Nine grades are available in four yield strength levels as follows:
Table 1-Yield Strength Levels
Grades 250 [36], 345 [50], 345S [SOS], 345W [SOW], and 690 and 690W [100 and lOOW] are also included in ASTM A 36/A 36M, A 572/A 572M, A 992/A 992M, A 588/A 588M, and
A 514/A 5 l 4M, respectively.
When the supplementary requirements of this specification are specified, they exceed the requirements of A 36/A 36M, A 572/A 572M, A 992/A 992M,
A 588/A 588M, and A 514/A 514M.
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